Evaluation of Delayed Fracture Properties in Spring Steels Part II
Abstract:Hydrogen embrittlement sensitivity of SAE9254 tensile strength of 1.7-2.0 GPa class and vanadium added spring steel 9254V with a tensile strength of 2.0 GPa class was evaluated by conventional strain rate tensile tests CSRT and torsion strength tests, using smooth specimens respectively. In the CSRT evaluation, the maximum tensile stress of the both steels decreased with the increment of diffusible hydrogen content. On the other hand, in the torsion tests, the maximum shear stress hardly exhibited any decrease… Show more
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